/[projects]/infoscreen/mainview.cpp
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revision 510 by torben, Sat Dec 12 19:27:56 2009 UTC revision 528 by torben, Wed Jan 6 22:18:52 2010 UTC
# Line 1  Line 1 
1  #include "MainView.h"  #include "MainView.h"
2    #include <QApplication>
3  #include <QPushButton>  #include <QPushButton>
4    #include <QLabel>
5  #include <QVBoxLayout>  #include <QVBoxLayout>
6    
7  #include <QTimer>  #include <QTimer>
8    
9    #include "MyWebView.h"
10    #include "clientsiderender.h"
11    #include "pictureview.h"
12    #include "videoview.h"
13    
14    #include "httpwrapper.h"
15    
16    
17  MainView::MainView(QWidget* parent)  MainView::MainView(QWidget* parent)
18   : QWidget(parent)   : QWidget(parent)
19  {  {
20          this->resize(400,400);          this->resize(400,400);
21          this->setPalette( QPalette( Qt::blue ) );          this->setWindowState( Qt::WindowFullScreen );
22    
23            qApp->setOverrideCursor( QCursor( Qt::BlankCursor) );
24    
25          red = new QWidget(this);          render = new ClientSideRender(this);
26          red->setStyleSheet("QWidget { background-color: red; }");          render->setVisible( false );
27    
28          green = new QWidget(this);          web = new MyWebView(this);
29          green->setStyleSheet("QWidget { background-color: green; }");          web->setVisible( false);
         green->setVisible(false);  
30    
31          current = red;          picture = new PictureView(this);
32            picture->setVisible( true );
33    
34            video = new VideoView(this);
35            video->setVisible(false);
36    
37          QVBoxLayout* layout = new QVBoxLayout();          QVBoxLayout* layout = new QVBoxLayout();
38          layout->addWidget(red,1 );          layout->addWidget(web,1);
39          layout->addWidget(green,1);          layout->addWidget(render,1);
40            layout->addWidget(picture,1);
41            layout->addWidget(video,1);
42          layout->addStretch();          layout->addStretch();
43          layout->setContentsMargins(0,0,0,0);          layout->setContentsMargins(0,0,0,0);
44          setLayout(layout);          setLayout(layout);
45    
46    
47    
48          QTimer* timer = new QTimer(this);          QTimer* timer = new QTimer(this);
49          connect(timer, SIGNAL(timeout() ), this, SLOT(onTimer() ));          connect(timer, SIGNAL(timeout() ), this, SLOT(onTimer() ));
50          timer->start(5000);          timer->start(100);
51    
52  }  }
53    
54    
55  void MainView::onTimer()  void MainView::onTimer()
56  {  {
57          if( current == red) {      screenManager.timerTick();
58                  red->setVisible(false);  
59                  green->setVisible(true);      readXml();
60                  current = green;  
61          } else {      switchScreens();
62                  red->setVisible(true);  }
63                  green->setVisible(false);  
64                  current = red;  
65          }  bool MainView::readXml()
66    {
67        const int TIMEOUT = 30*60*1000; // 30 minutter
68        if ( lastXml.isNull() || lastXml.elapsed() > TIMEOUT) {
69            qDebug() << "reread";
70            xmlHandler.readXml( "http://infoscreen.sundhedhorsens.dk/infoscreen/screen_xml.php?screen_id=1" );
71    
72            lastXml = QTime::currentTime();
73    
74            screenItems = xmlHandler.getScreenSet();
75    
76            if ( currentItemIdx >= screenItems.size() )
77                currentItemIdx = screenItems.size()-1; //avoid overflow
78    
79    
80            return true;
81        } else {
82            return false;
83        }
84    }
85    
86    void MainView::switchScreens()
87    {
88    
89        if (lastScreenSwitch.isNull() || lastScreenSwitch.elapsed() > (currentItem.runtime*1000)) {
90    
91            if (lastScreenSwitch.isNull())
92                currentItemIdx = 0;
93            else
94                currentItemIdx = (currentItemIdx+1) % screenItems.size();
95            currentItem = screenItems.at(currentItemIdx);
96            picture->loadFromUrl( currentItem.url );
97    
98            lastScreenSwitch = QTime::currentTime();
99        }
100  }  }
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